References. Guselnikov and Medvedev 1984: 19.
Distribution. Asian Russia (W and E Siberia, Far East), Mongolia, China.
Material Examined. Tanzybey, 9.vi.2002, 1 ex. (E. Akulov) ( EACK).
Notes. G. Jacobson described var. hammarstroemi based on a series of syntypes from the collections of R. Hammarström from Verkhny Suetuk village (Krasnoyarsk Krai) and the collections of F. Sahlberg from Dauria (Jacobson 1901).